Dyfyniad APA
Hillson, D. (2009). Managing risk in projects. Gower.
Dyfyniad Arddull Chicago
Hillson, David. Managing Risk in Projects. Farnham: Gower, 2009.
Dyfyniad MLA
Hillson, David. Managing Risk in Projects. Gower, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.